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EC number: 816-285-7 | CAS number: 1263133-33-0
Henry's Law constant
Administrative data
Link to relevant study record(s)
- Endpoint:
- Henry's law constant
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- The Henry’s Law constant is calculated as H = P/S where P (vapor pressure) is expressed in units of Pascals or atmospheres and S (water solubility) is expressed in units of mol/m3.
- GLP compliance:
- no
- Key result
- H:
- 0 atm m³/mol
- Temp.:
- 20 °C
- Conclusions:
- Henry’s Law constant: 4.19E-8 Pa·m3/mol or 4.12E-13 atm·m3/mol
- Executive summary:
The Henry’s Law constant, H = P/S where P (vapor pressure) is expressed in units of Pascals or atmospheres and S (water solubility) is expressed in units of mol/m3, was calculated for the test substance. Based on the experimentally determined vapor pressure of 2.42 x 10-8 Pa and water solubility of 0.23 g/L, the Henry’s Law constant for the test substance was calculated to be 4.19 x 10-8 Pa·m3/mol or 4.12 x 10-13 atm·m3/mol.
Based on this calculation, the test substance can be considered to have negligible escaping tendency from dilute aqueous solution.
Reference
Description of key information
Key value for chemical safety assessment
- Henry's law constant (H) (in Pa m³/mol):
- 0
- at the temperature of:
- 20 °C
Additional information
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